71021440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 197406720

約数和(自身を除く): 126385280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 191, 224, 280, 320, 332, 382, 415, 448, 560, 581, 640, 664, 764, 830, 896, 955, 1120, 1162, 1328, 1337, 1528, 1660, 1910, 2240, 2324, 2656, 2674, 2905, 3056, 3320, 3820, 4480, 4648, 5312, 5348, 5810, 6112, 6640, 6685, 7640, 9296, 10624, 10696, 11620, 12224, 13280, 13370, 15280, 15853, 18592, 21392, 23240, 24448, 26560, 26740, 30560, 31706, 37184, 42784, 46480, 53120, 53480, 61120, 63412, 74368, 79265, 85568, 92960, 106960, 110971, 122240, 126824, 158530, 171136, 185920, 213920, 221942, 253648, 317060, 371840, 427840, 443884, 507296, 554855, 634120, 855680, 887768, 1014592, 1109710, 1268240, 1775536, 2029184, 2219420, 2536480, 3551072, 4438840, 5072960, 7102144, 8877680, 10145920, 14204288, 17755360, 35510720, 71021440]

約数ペア:

[(1, 71021440), (2, 35510720), (4, 17755360), (5, 14204288), (7, 10145920), (8, 8877680), (10, 7102144), (14, 5072960), (16, 4438840), (20, 3551072), (28, 2536480), (32, 2219420), (35, 2029184), (40, 1775536), (56, 1268240), (64, 1109710), (70, 1014592), (80, 887768), (83, 855680), (112, 634120), (128, 554855), (140, 507296), (160, 443884), (166, 427840), (191, 371840), (224, 317060), (280, 253648), (320, 221942), (332, 213920), (382, 185920), (415, 171136), (448, 158530), (560, 126824), (581, 122240), (640, 110971), (664, 106960), (764, 92960), (830, 85568), (896, 79265), (955, 74368), (1120, 63412), (1162, 61120), (1328, 53480), (1337, 53120), (1528, 46480), (1660, 42784), (1910, 37184), (2240, 31706), (2324, 30560), (2656, 26740), (2674, 26560), (2905, 24448), (3056, 23240), (3320, 21392), (3820, 18592), (4480, 15853), (4648, 15280), (5312, 13370), (5348, 13280), (5810, 12224), (6112, 11620), (6640, 10696), (6685, 10624), (7640, 9296)]